Hi @Richard Bethell ,
Welcome to Microsoft Q&A forum.
Please try following suggestions:
- Update Windows 10, and if there’s any error about updating Windows 10 or installing Update components, please try to fix it first.
- Try this SFC tool to repair missing or corrupted system files.
- If you have any antivirus software installed, please try to stop it temporarily.
- Please make sure that you have full permissions on your machine.
- Try to install .NET 6.0.
Best Regards,
Tianyu
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